Wastewater treatment device for fluorescent whitening agent for PVC (polyvinyl chloride) plastic

Abstract

The utility model discloses a wastewater treatment device of a fluorescent whitening agent for PVC plastics, which comprises a treatment tank, a lifting component is arranged in the treatment tank, the lifting component is connected with a cross-shaped mounting plate and a plurality of fine filter screens, stirring components are arranged at the left end and the right end of the top surface of the cross-shaped mounting plate, and the fine filter screens are connected with the stirring components. Water pumps are fixedly connected to the front and rear ends of the top surface of the cross-shaped mounting plate, water outlets of the water pumps are in threaded connection with water outlet pipes, a water storage tank is fixedly connected to the right side surface of the treatment pond, and a filtering assembly is arranged on the top surface of the water storage tank. When the sewage treatment device is used and after sedimentation is completed, the driving motor slowly drives the threaded rod to rotate, so that the mounting frame slowly drives the cross-shaped mounting plate to descend, the water pump pumps out supernate in the treatment tank through the water outlet pipe, and when the mounting frame descends to the position where the supernate and floccules are layered, the fine filter screen blocks the floccules; more clear liquid is pumped out, and the separation effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a wastewater treatment device for fluorescent whitening agents for PVC plastics. Background Art

[0002] Fluorescent whitening agent is a fluorescent dye widely used in textile, detergent, papermaking, printing, leather, plastic, synthetic fiber, coating paint, ink and other industries. Wastewater contains a large amount of benzene and its derivatives. These organic substances have amino, nitro and sulfonic acid groups and other substituents, and have strong biological toxicity. Fluorescent whitening agent production wastewater contains a lot of impurities and needs to be treated.

[0003] When the existing fluorescent whitening agent wastewater treatment device discharges the supernatant of the wastewater after precipitation, the wastewater at the position where the clear liquid and the floccules are separated cannot be treated well, which easily leads to a large amount of clear liquid in the floccules. Utility Model Content

[0004] The purpose of the utility model is to provide a wastewater treatment device for fluorescent whitening agents for PVC plastics to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wastewater treatment device for fluorescent whitening agents for PVC plastics, comprising a treatment tank, a lifting assembly is arranged inside the treatment tank, the lifting assembly is connected with a cross mounting plate and a plurality of fine filter screens, stirring assemblies are arranged at the left and right ends of the top surface of the cross mounting plate, a water pump is fixedly connected with the front and rear ends of the top surface of the cross mounting plate, the water outlet of the water pump is threadedly connected with a water outlet pipe, a water storage tank is fixedly connected with the right side of the treatment tank, and a filtering assembly is arranged on the top surface of the water storage tank.

[0006] Preferably, the lifting assembly includes a driving motor, which is fixedly connected to the left end of the top surface of the treatment pool, and the output shaft of the driving motor passes through the treatment pool and is fixedly connected to a threaded rod, and the bottom end of the threaded rod is rotatably connected to the left end of the inner surface of the treatment pool, and the threaded rod is threadedly connected to a mounting frame, and two sliding rods are slidably connected at the right end corner of the mounting frame, and the cross mounting plate is fixedly connected to the inner side of the sliding rod, and a plurality of fine filters are detachably connected between the sliding rod and the inner side of the cross mounting plate.

[0007] Preferably, the stirring assembly includes two waterproof motors, which are fixedly connected to the left and right ends of the top surface of the cross mounting plate, the output shaft of the waterproof motor passes through the cross mounting plate and is fixedly connected to the stirring shaft, and a plurality of stirring paddles are fixedly connected to the side of the stirring shaft.

[0008] Preferably, the filtering component includes two connecting covers which are threadedly connected to the top surface of the water storage tank. A filtering cylinder is threadedly connected to the bottom surface of the connecting cover, and activated carbon is filled inside the filtering cylinder. The end of the water outlet pipe away from the water pump is threadedly connected to the top surface of the connecting cover.

[0009] Preferably, two electromagnetic valves are threadedly connected to the upper end of the left side surface of the treatment tank. A connecting pipe is threadedly connected to the electromagnetic valve, and a slag discharge valve is threadedly connected to the bottom of the front side surface of the treatment tank.

[0010] Preferably, a control panel is fixedly connected to the lower end of the front side surface of the treatment tank, and the control panel is electrically connected to the driving motor, the waterproof motor, and the electromagnetic valve.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] When the present utility model is in use, after precipitation is completed, the driving motor is restarted through the control panel. The driving motor slowly drives the threaded rod to rotate, so that the mounting frame slowly drives the cross mounting plate to descend. The water pump is started, and the supernatant in the treatment tank is pumped out through the water outlet pipe by the water pump. When the mounting frame descends to the position where the supernatant and the flocculant are stratified, the fine filter screen blocks the flocculant, so that more clear liquid is pumped out, improving the separation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of the present utility model;

[0014] Figure 2 is a front sectional structural diagram of the present utility model;

[0015] Figure 3 is a sectional structural diagram of the water storage tank of the present utility model.

[0016] In the figure: 1, treatment tank; 2, lifting component; 21, driving motor; 22, threaded rod; 23, mounting frame; 24, sliding rod; 3, cross mounting plate; 4, fine filter screen; 5, stirring component; 51, waterproof motor; 52, stirring shaft; 53, stirring paddle; 6, water pump; 7, water outlet pipe; 8, water storage tank; 9, filtering component; 91, connecting cover; 92, filtering cylinder; 93, activated carbon; 10, electromagnetic valve; 11, slag discharge valve; 12, control panel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figures 1-3 , the present utility model provides a technical solution: a wastewater treatment device for a fluorescent whitening agent used in PVC plastics, including a treatment tank 1, a lifting assembly 2 is installed inside the treatment tank 1, a stirring assembly 5 is installed at the left and right ends of the top surface of the cross mounting plate 3, a water pump 6 is installed at the front and rear ends of the top surface of the cross mounting plate 3 through bolts, one end of the water outlet pipe 7 is threadedly connected to the water outlet of the water pump 6, a water storage tank 8 is installed on the right side surface of the treatment tank 1 through bolts, and a filtering assembly 9 is installed on the top surface of the water storage tank 8.

[0019] The lifting assembly 2 includes a driving motor 21, the driving motor 21 is installed at the left end of the top surface of the treatment tank 1 through bolts, the output shaft of the driving motor 21 penetrates the treatment tank 1 and the threaded rod 22 is installed on the output shaft of the driving motor 21 through a coupling, the bottom end of the threaded rod 22 is installed on the inner surface of the left end of the treatment tank 1 through a bearing, the left end of the mounting frame 23 is threadedly connected to the threaded rod 22, two sliding rods 24 are slidably connected to the right end corners of the mounting frame 23, the cross mounting plate 3 is installed on the inner side surface of the sliding rod 24 through bolts, and a plurality of fine filter meshes 4 are installed between the inner side surfaces of the sliding rod 24 and the cross mounting plate 3 through bolts.

[0020] The stirring assembly 5 includes two waterproof motors 51, the two waterproof motors 51 are installed at the left and right ends of the top surface of the cross mounting plate 3 through bolts, the output shaft of the waterproof motor 51 penetrates the cross mounting plate 3 and the stirring shaft 52 is installed on the output shaft of the waterproof motor 51 through a coupling, and a plurality of stirring paddles 53 are welded to the side surface of the stirring shaft 52.

[0021] The filtering assembly 9 includes two connecting covers 91, the two connecting covers 91 are threadedly connected to the top surface of the water storage tank 8, the filter cylinder 92 is threadedly connected to the bottom surface of the connecting cover 91, the inside of the filter cylinder 92 is filled with activated carbon 93, and the end of the water outlet pipe 7 away from the water pump 6 is threadedly connected to the top surface of the connecting cover 91.

[0022] Two electromagnetic valves 10 are threadedly connected to the upper end of the left side surface of the treatment tank 1, the electromagnetic valve 10 is threadedly connected with a connecting pipe, and a slag discharge valve 11 is threadedly connected to the bottom of the front side surface of the treatment tank 1.

[0023] The control panel 12 is installed at the lower end of the front side surface of the treatment tank 1 through bolts, and the control panel 12 is electrically connected to the driving motor 21, the waterproof motor 51, and the electromagnetic valve 10.

[0024] Working principle: When this utility model is in use, after connecting the connecting pipes on the two solenoid valves 10 to the liquid extraction pump and then placing them into the fluorescent wastewater and the fluorescent treatment agent respectively, the fluorescent wastewater and an appropriate amount of fluorescent treatment agent are injected into the treatment tank 1 successively. The driving motor 21 is started, and the driving motor 21 drives the threaded rod 22 to rotate, thereby driving the mounting frame 23 to descend to the surface of the fluorescent wastewater. The waterproof motor 51 is started, and the waterproof motor 51 drives the agitator 52 to rotate. The stirring paddle 53 stirs the fluorescent wastewater, so that the fluorescent wastewater and the fluorescent treatment agent are fully mixed. After the stirring is completed, it is left still for a certain period of time to enable the floccules formed by the reaction of the fluorescent treatment agent and the fluorescent brightener to complete precipitation. After the precipitation is completed, the driving motor 21 is started again through the control panel 12. The driving motor 21 slowly drives the threaded rod 22 to rotate, so that the mounting frame 23 slowly drives the cross mounting plate 3 to descend. The water pump 6 is started, and the water pump 6 pumps out the supernatant in the treatment tank 1 through the water outlet pipe 7. When the mounting frame 23 descends to the position where the supernatant and the floccules are stratified, the fine filter screen 4 blocks the floccules, so that more clear liquid is pumped out, improving the separation effect. The clear liquid in the water outlet pipe 7 passes through the filter cylinder 93, and the activated carbon 93 inside the filter cylinder 93 adsorbs the organic substances and heavy metal ions in the supernatant. Subsequently, the supernatant falls into the water storage tank 8, thereby completing the preliminary treatment of the fluorescent brightener wastewater. This utility model has the advantages of convenient use and good use effect.

[0025] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprises", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0026] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A wastewater treatment device for fluorescent whitening agents for PVC plastics, comprising a treatment tank (1), characterized in that: A lifting assembly (2) is arranged inside the treatment pool (1), the lifting assembly (2) is connected to a cross mounting plate (3) and a plurality of fine filter screens (4), stirring assemblies (5) are arranged at the left and right ends of the top surface of the cross mounting plate (3), a water pump (6) is fixedly connected to the front and rear ends of the top surface of the cross mounting plate (3), a water outlet of the water pump (6) is threadedly connected to a water outlet pipe (7), a water storage tank (8) is fixedly connected to the right side surface of the treatment pool (1), and a filtering assembly (9) is arranged on the top surface of the water storage tank (8).

2. A wastewater treatment device for fluorescent whitening agent for PVC plastics according to claim 1, characterized in that: The lifting assembly (2) comprises a driving motor (21), the driving motor (21) is fixedly connected to the left end of the top surface of the treatment tank (1), the output shaft of the driving motor (21) passes through the treatment tank (1) and is fixedly connected to a threaded rod (22), the bottom end of the threaded rod (22) is rotatably connected to the left end of the inner surface of the treatment tank (1), the threaded rod (22) is threadedly connected to a mounting frame (23), and two sliding rods (24) are slidably connected at the right end corner of the mounting frame (23), the cross mounting plate (3) is fixedly connected to the inner side of the sliding rod (24), and a plurality of fine filters (4) are detachably connected between the sliding rod (24) and the inner side of the cross mounting plate (3).

3. A wastewater treatment device for fluorescent whitening agent for PVC plastic according to claim 1, characterized in that: The stirring assembly (5) comprises two waterproof motors (51), the two waterproof motors (51) are fixedly connected to the left and right ends of the top surface of the cross mounting plate (3), the output shaft of the waterproof motor (51) passes through the cross mounting plate (3) and is fixedly connected to a stirring shaft (52), and a plurality of stirring paddles (53) are fixedly connected to the side of the stirring shaft (52).

4. A wastewater treatment device for fluorescent whitening agent for PVC plastics according to claim 1, characterized in that: The filter assembly (9) comprises two connection covers (91), the two connection covers (91) are threadedly connected to the top surface of the water storage tank (8), the bottom surface of the connection cover (91) is threadedly connected to a filter cartridge (92), the inside of the filter cartridge (92) is filled with activated carbon (93), and the end of the water outlet pipe (7) away from the water pump (6) is threadedly connected to the top surface of the connection cover (91).

5. A wastewater treatment device for fluorescent whitening agent for PVC plastics according to claim 1, characterized in that: Two solenoid valves (10) are threadedly connected to the upper end of the left side surface of the treatment pool (1), and the solenoid valves (10) are threadedly connected to connecting pipes. A slag discharge valve (11) is threadedly connected to the bottom of the front side surface of the treatment pool (1).

6. A wastewater treatment device for fluorescent whitening agent for PVC plastics according to claim 1, characterized in that: A control panel (12) is fixedly connected to the lower end of the front side of the treatment pool (1), and the control panel (12) is electrically connected to the drive motor (21), the waterproof motor (51), and the solenoid valve (10).

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